| Avenel to Popovo | 4,820.19 mi (7,757.35 km) |
| Avenel to Provadia | 4,875.05 mi (7,845.64 km) |
| Avenel to Radnevo | 4,852.11 mi (7,808.71 km) |
| Avenel to Radomir | 4,719.68 mi (7,595.60 km) |
| Avenel to Rakitovo | 4,789.57 mi (7,708.07 km) |
| Avenel to Rakovski | 4,813.18 mi (7,746.06 km) |
| Avenel to Razgrad | 4,823.82 mi (7,763.19 km) |
| Avenel to Razlog | 4,768.17 mi (7,673.63 km) |
| Avenel to Ruse | 4,789.31 mi (7,707.66 km) |
| Avenel to Samokov | 4,753.30 mi (7,649.70 km) |
| Avenel to Sandanski | 4,773.40 mi (7,682.04 km) |
| Avenel to Sevlievo | 4,788.64 mi (7,706.57 km) |
| Avenel to Shumen | 4,850.93 mi (7,806.81 km) |
| Avenel to Silistra | 4,828.71 mi (7,771.06 km) |
| Avenel to Sliven | 4,852.18 mi (7,808.82 km) |
